Unreal Engine Issues

Hot Reload not updating variables that have their values set in the constructor

If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...

Blendspace Animation Lag for Morph Targets

Blendspace animations of morph targets play at a slightly but noticably different rate between the 4.8 and 4.9 version of the UE4. ...

bool variables set in code do not auto-update after a hot reload

When a bool variable is defined in code, changing the default value of the variable does not update on a hot reload This is inconsistent with other variables types that update their current value w ...

Packaging fails after changing from Dynamic to Static Nav Mesh Runtime Generation

If you package with Runtime Generation set to Dynamic and then switch to Static and attempt to repackage, the packaging will fail with the following error message.[2016.02.08-16.18.14:511][217]MainF ...

Crash when Reimporting SpeedTree asset with Billboard Material reset to the default World Grid Material

A crash occurs when reimporting a SpeedTree asset after clearing the material billboard element and setting it to the default world grid material. The licensee reporting the issue mentions to worka ...

Ambiguous Search Warning After Recompiling Blueprint of an Object Involved in a Level Sequence

The licensee is receiving an ambiguous search warning after recompiling the blueprint of an object involved in a level sequence that is contained in a hidden sublevel (which is then loaded and made ...

Object using specific Corona Material Import by default with wrong UVs

[Spatialization] - When a sound starts playing while the listener in in the Binaural Radius, when they exit the sound stops playing

If a sound starts playing while the listener is inside the binarual radius, the sound stops abruptly when they leave the radius. Does not occur if the listener starts in the binaural radius. Does no ...

[MetaSounds] - If the audio output hits an extreme Gain value, the Audio Meter Widget stops responding

It's possible to have the Audio Meter widget stop responding if you set the Gain really high. It will cease to work as long as the MetaSound window is open. Closing and reopening the MetaSound windo ...

Material Layers Ignore Virtual Texture Sampler Restrictions

Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...